Data Encryption/Overwrite
OPERATION GUIDE
1
Introduction
This Setup Guide explains the procedures for installing and operating the Data Encryption/Overwrite Functions
(hereinafter called Security Functions) and the procedure for system initialization.
Organization administrators should read and understand this manual.
Instructions for General Users (for Both General Users and Administrators)
• Security Functions ........................................................................ 2
• Touch Panel Display after the Security Functions are Installed .... 4
Instructions for Administrators (for Those in Charge of Installation and Operation of the
Security Functions)
• Installing the Security Functions ................................................... 5
• Changing Security Functions ...................................................... 13
• System Initialization .................................................................... 15
• Warning Message ....................................................................... 16
• Disposal ...................................................................................... 16
• Appendix..................................................................................... 17
• Nominate a reliable person for the machine administrator when installing the security functions.
• Sufficiently supervise the nominated administrator so that it can observe the security policy and
operation rules at the organization to which it belongs and properly operate the machine in accordance
with the operation guide of the product.
• Sufficiently supervise the general users so that they can operate the machine while observing the
security policy and operation rules at the organization to which they belong.
2
Security Functions
The security functions enable overwriting and encryption.
NOTE: If you install the security functions, Running security function... appears when the machine starts up
and it may take a while.
Overwriting
Multi-functional products (MFPs) temporarily store the data of scanned originals and print jobs, as well as other
data stored by users, on the hard disk or in FAX memory, and the job is output from that data. As the data
storage areas used for such data remain unchanged on the hard disk or in FAX memory until they are
overwritten by other data, the data stored in these areas is potentially restorable using special tools.
The security functions delete and overwrite (hereinafter collectively referred to as overwrite(s)) the unnecessary
data storage area used for the output data or deleted data to ensure that data cannot be restored.
Overwriting is performed automatically, without user intervention.
CAUTION: When you cancel a job, the machine immediately starts overwriting the data that was stored on the
hard disk/SSD or in FAX memory.
Overwrite Methods
Changing the data overwrite method is available, when a hard disk is installed. There are two overwrite methods,
which can be switched at any time.
Once Overwrite Method
This function overwrites unneeded data areas (in the case of overwriting) or all areas (in the case of system
initialization) with zeroes to prevent data restoration.
3-time Overwrite (DoD) Method (default)
This overwrite method complies with U.S. Department of Defense (DoD) standards, and overwrites unneeded
data areas of the hard disk and FAX memory (in the case of overwriting) or all areas (in the case of system
initialization) with specific characters, their complements, and random characters to prevent data restoration.
Data restoration is not possible even when sophisticated restoration techniques are used, and a higher level of
security than Once Overwrite is obtained.
This method may take more time than Once Overwrite method to process a larger amount of data.
NOTE: For SSD and FAX memory, the method used is Once Overwrite.
Instructions for General Users (for Both General Users and Administrators)
3
Encryption
MFPs store the data of scanned originals and other data stored by users in the hard disk/SSD. It means the data
could be possibly leaked or tampered with if the hard disk/SSD is stolen.
The security functions encrypt data before storing it in the hard disk/SSD. It guarantees higher security because
no data cannot be decoded by ordinary output or operations.
Encryption is automatically performed and no special procedure is required.
CAUTION: Encryption helps enhance security. However, the data stored in the Document Box can be decoded
by ordinary operations. Do not store any strictly confidential data in the Document Box.
Security Functions
• If the security functions are introduced while the hard disk and SSD are installed in the machine, the
destination where data received by FAX is to be saved is changed from SSD to hard disk. If you want to
change the destination to SSD, contact your dealer or service technician.
Security Functions
Printing
Faxing
Fax memory
Copying
Send
Send
Print
Sending
Hard disk/SSD
Save original data
Save original
data
and various settings
1. Overwrite unwanted area of data.
Overwrite unwanted area of data.
2. Encryption ( ) / Decoding ( )
4
Touch Panel Display after the Security Functions are Installed
Hard Disk Icon Display
In Security Mode, the security functions have been
properly installed and is running. The hard disk icon
appears on the lower right side of the touch panel in
Security Mode.
NOTE: If the hard disk icon does not appear on the
normal screen, it is possible that the Security Mode is
not ON. Call service.
The hard disk icon display changes as follows during overwriting
The table below shows the icons displayed and their descriptions.
CAUTION: Do not turn the power switch off while is displayed. Risk of damage to the hard disk/SSD or FAX
memory.
NOTE: If you turn the machine off at the power switch during overwriting, data may not be overwritten
completely from the hard disk. Turn the machine back on at the power switch. Overwriting automatically
resumes. If you accidentally turn the main power switch off during overwriting or initialization, the hard disk icon
might not switch to the second icon shown above. This would be caused by a possible crash or failed
overwriting of the data to be overwritten. This will not affect subsequent overwriting processes. However, hard
disk initialization is recommended so as to return to normal stable operations. (Initialization should be
performed by the administrator following the steps in System Initialization on page 15.)
Status
Copy Send Custom Box
Job Box USB Drive
Select the function.
Admin
FAX
Internet Browser
FAX Box
ProgramSystem
Menu
Paper
Settings
Status/
Job Cancel
Device
Information
Language HelpWi-Fi Direct
2018/08/08 10:10
mm0101_01bar_02
Icon displayed Description
There is unneeded data on the hard
disk/SSD or in FAX memory.
Overwriting the unwanted data
The unwanted data is overwritten.
5
If any kind of problem occurs in the installation or use of the security functions, contact your dealer or service
technician.
Installing the Security Functions
The Security Functions Contents
The security functions package includes:
• License Certificate
• Installation Guide (for service personnel)
•Notice
In case of the standard specification, there will be no bundled items included.
Before Installation
• Make sure that the service representative must be a person who belongs to the supplying company.
• Install the machine in a safe location with controlled access, and unauthorized access to the machine can
be prevented.
• The hard disk/SSD will be initialized during installation of the security functions. This means that the data
stored in the hard disk will be all overwritten. Special attention should be given if you install the security
functions on the MFP currently used.
• The network to which the machine is hooked up must be protected by a firewall to prevent extraneous
attacks.
• The Repeat Copy function will be unavailable after the installation.
• [Adjustment/Maintenance] -> [System Initialization] will not be displayed in the System Menu after the
installation.
• When installing the security functions, change the machine settings as follows.
• If the security functions are introduced while the hard disk and SSD are installed in the machine, the
destination where data received by FAX is to be saved is changed from SSD to hard disk. If you want to
change the destination to SSD, contact your dealer or service technician.
Installation
Installation of the security function is performed by the service person or the administrator. The service person
or the administrator should log in the system menu to enter the encryption code.
Instructions for Administrators (for Those in Charge of Installation and
Operations of the Security Functions)
Item Value
User Login/Job Accounting
User Login Setting Local User
List
Change the administrator password.
System Menu Date/Timer/Energy Saver Date/Time Set the date and time.
6
Encryption Code
An encryption code of 8 alphanumeric characters (0 to 9, A to Z, a to z) to encrypt data needs to be entered. By
default, the code is set 00000000.
As an encryption key is then created from this code, it is safe enough to continue using the default code.
CAUTION: Be sure to remember and securely manage the encryption code you entered. If you need to enter
the encryption code again for some reason and you do not enter the same encryption code, all the data stored
on the hard disk/SDD will be overwritten as a security precaution.
Installation Procedure
Use the procedure below to select the interface.
1 Press the [System Menu/Counter] key.
2 Press [System/Network].
If user login is disabled, the user authentication
screen appears. Enter your login user name and
password and then press [Login]. For this, you
need to log in with administrator privileges. Refer to
the machine's Operation Guide for the default
loginuser name and password.
3 Press [Next] of Optional Function.
4 The optional function screen is displayed. Select
Data Encryption/Overwrite and press [Activate].
5 This function will be activated. The data saved in
the large capacity storage will be deleted and the
storage will be formatted and encrypted. If there is
no problem, press [Yes].
6 Turn the power switch on again following to the
indication in the panel screen.
7 The screen for entering the encryption code is
displayed. If you want to change the encryption
code, change it by the following procedure. If the
encryption code is not changed, go to the
procedure 10.
8 Press [Encryption Code].
9 Press [Backspace] and enter the 8-digit
alphanumeric encryption code (0 to 9, A to Z, a to
z) after erasing [00000000], and press [OK].
10 Press [OK]. Hard disk/SSD formatting begins.
11 When formatting finishes, follow the on screen
instructions to turn the Power Switch off and on
again.
OK
Enter the encryption code.
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av0201
Once
Overwrite
Encryption
Code
7
12 After the opening screen is displayed, confirm that
a hard disk icon (Overwritten completion icon of
unnecessary data in the hard disk) is shown in the
lower right corner of the screen.
8
After Installation
Change the machine setting as follows to securely operate it. If the system in the machine is initialized, it returns
to the settings before installation, so make changes in the same way. If you allow service personnel to conduct
maintenance operations, confirm the set values.
Items changed in Command Center RX
Item Value
Device Settings
Energy
Saver/Timer
Energy Saver/Timer Settings Timer
Settings
Auto Panel
Reset
On
Panel
Reset Timer
Setting any
value
Function
Settings
Printer Printer
Settings
General Remote
Printing
Prohibit
Google Cloud
Print Settings
(Select
[Settings])
Privet(Cloud
Device Local
Discovery
Protocol and
API)
Local
Discovery
Off
Local Print
Off
FAX/i-FAX FAX/i-FAX
Settings
Fax Settings
Remote Settings FAX Remote
Diagnostics
Off
RX/Forward
Rules
Settings RX/Forward
Rules Settings
RX/Forward
Rules
[Use Rule for
Specific RX] or
[Rule for All RX]
Forward
Settings
Forwarding On
Forward
Destination
Any forwarding
destination
Network
Settings
TCP/IP TCP/IP Settings
Bonjour Settings
Bonjour Off
IPSec Settings
IPSec On
Restriction Allowed
IPSec
Rules*
("Settings"
selection of
any of Rule
No.)
Policy Rule On
Key
Management
Type
IKEv1
Encapsulation
Mode
Transport
IP Address IP Version IPv4
IP
Address(IPv
4)
IP Address of
the destination
terminal
Subnet Mask Setting any
value
Authentication
Local Side
Authentication
Type
Pre-shared Key
Pre-shared
Key
Setting any
value
Key Exchange (IKE phase1) Setting any
value(Always
the Mode selects
the Main mode)
Data Protection (IKE phase2) Setting any
value(Always
the Protocol
selects the ESP)
9
Network
Settings
Protocol Protocol Settings Print
Protocols
NetBEUI Off
LPD Off
FTP Server
(Reception)
Off
IPP Off
IPP over
SSL
On
IPP
Authentication
Off
Raw Off
WSD Print
Off
POP3
(E-mail RX)
Off
Send
Protocols
SMTP
(E-mail TX)
On
FTP Client
(Transmission)
On
SMB
Off
WSD Scan
Off
DSM Scan
Off
eSCL
Off
eSCL over SSL
Off
Other
Protocols
SNMPv1/v2c Off
SNMPv3 Off
HTTP Off
HTTPS On
Enhanced
WSD
Off
Enhanced
WSD(SSL)
On
LDAP Off
IEEE802.1X Off
LLTD Off
REST Off
REST over
SSL
Off
VNC(RFB) Off
VNC(RFB)
over SSL
Off
Enhanced
VNC(RFB)
over SSL
Off
Item Value
10
Security
Settings
Device
Security
Device
Security
Settings
Edit Restriction
Address
Book
Administrator
Only
One Touch
Key
Administrator
Only
Authentication
Security
Settings
Password
Policy
Settings
Password
Policy
On
Maximum
password
age
Setting any
value
Minimum
password
length
On
8 or more
characters
Password
complexity
Setting any
value
Security
Settings
Device
Security
Device
Security
Settings
Authentication
Security
Settings
User Account
Lockout
Settings
Lockout
Policy
On
Number of
Retries until
Locked
Setting any
value
Lockout
Duration
Setting any
value
Lockout
Targe t
All
Network
Security
Network
Security
Settings
Secure
Protocol
Settings
SSL On
Serverside
Settings
TLS Version
SSL3.0/TLS1.0:
Disable
TLS1.1: Disable
TLS1.2: Enable
Effective
Encryption
ARCFOUR:
Disable,
DES: Disable,
3DES: Enable,
AES: Enable,
AES-GCM:
Setting any
value
HTTP Security
Secure Only
(HTTPS)
IPP Security
Secure Only
(IPPS)
Enhanced
WSD Security
Secure Only
(Enhanced WSD
over SSL)
Clientside
Settings
TLS Version
SSL3.0/TLS1.0:
Disable
TLS1.1: Disable
TLS1.2: Enable
Effective
Encryption
ARCFOUR:
Disable,
DES: Disable,
3DES: Enable,
AES: Enable,
AES-GCM:
Setting any
value
Certificate
Verification
On
Item Value
11
Management
Settings
Authentication
Settings Authentication
Settings
General Authentication Local
Authentication
Local
Authorization
Settings
Local
Authorization
On
Guest
Authorization
Settings
Guest
Authorization
Off
Simple Login
Settings
Simple Login
Off
History
Settings
History Settings
Job Log History
Recipient
E-mail Address
E-mail Address for
the administrator
of the machine
Auto Sending
On
Login History
Settings
Login History
On
Recipient
E-mail Address
E-mail Address for
the administrator
of the machine
Auto Sending
On
Device Log
History Settings
Device Log
History
On
Recipient
E-mail Address
E-mail Address for
the administrator
of the machine
Auto Sending
On
Secure
Communication
Error Log
History Settings
Secure
Communication
Error Log
History
On
Recipient
E-mail Address
E-mail Address for
the administrator
of the machine
Auto Sending
On
Item Value
12
Items changed on the machine
For the procedures for changing the settings, refer to the machine OPERATION GUIDE and Command Center
RX User Guide.
After changing the settings, run [Software verification] in the system menu to verify that the machine operates
correctly. Periodically perform [Software verification] after installation as well.
After installing the security functions, you can change the security password as well as the method for
overwriting the entire hard disk.
Refer to page 13 for the procedures.
The administrator of the machine should periodically store the histories, and check each history to make sure
there was no unauthorized access or abnormal operation.
Grant regular users permission based on your company rules, and promptly delete any user accounts that stop
being used due to retirement or other reasons.
IPsec setting
It is possible to protect data by enabling the IPsec function that encrypts the communication path.
Please note the following points when enabling the IPsec function.
• The value set by the IPsec rule has to be matched with the destination PC. Communication error occurs in
case the setting does not match.
• IP address set by the IPsec rule has to be matched with the IP address of the SMTP server or FTP server
which is set on the main unit.
• In case the setting does not match, data sent by mail or FTP can’t be encrypted.
• Pre-shared key set by the IPsec rule has to be created by using the alphanumeric symbols of 8 digits or
more which will not be easily guessed.
Item Value
System Menu System/Network Security Level Very High
Internet Internet Browser Off
13
Changing Security Functions
Changing Security Password
Enter the security password to change security functions. You can customize the security password so that only
the administrator can use the security functions.
Use the procedure below to change the security password.
1 Press the [System Menu/Counter] key.
2 Press [System/Network].
3 If user login is disabled, the user authentication
screen appears. Enter your login user name and
password and then press [Login]. For this, you
need to log in with administrator privileges. Refer to
the machine's Operation Guide for the default login
user name and password.
4 Press [Next] of Data Security.
5 Press [Next] of SSD Initialization.
NOTE: When a hard disk is installed, "Hard Disk
Initialization" is displayed. When a hard disk and an
SSD are installed, "Hard Disk/SSD Initialization" is
displayed.
6 Enter the default security password, 000000.
7 Press [Change] of Security Password.
8 Press [Password] to enter a new security password
6 to 16 alphanumeric characters and symbols.
CAUTION: Avoid any easy-to-guess numbers for the
security password (e.g. 11111111 or 12345678).
9 Press [Confirm Password] to enter the same
password again.
10 Press [OK].
Cancel OK
Set password.
Enter new password, then re-enter it to confirm.
10/10/2015 10:10
m030908
Password
Confirm
Password
# Keys
# Keys
System/Network - Security Password
14
Changing the Data Overwrite Method
The method used to overwrite data can be changed. Refer to Overwriting on page 2 for details. Changing the
data overwrite method is not available, when a hard disk is not installed.
NOTE: The overwrite methods are used both for overwriting and hard disk initialization, and cannot therefore
be set individually.
Use the procedure below to select the interface.
1 Press the [System Menu/Counter] key.
2 Press [System/Network].
3 If user login is disabled, the user authentication
screen appears. Enter your login user name and
password and then press [Login]. For this, you
need to log in with administrator privileges. Refer to
the machine's Operation Guide for the default login
user name and password.
4 Press [Next] of Data Security.
5 Press [Next] of Hard Disk Initialization.
6 Enter the security password. By default, the code is
set 000000.
7 Press [Change] of Data Overwrite Method.
8 Press [3-time Overwrite (DoD)] (default) or
[Once Overwrite].
9 Press [OK].
Cancel OK
Select data overwrite method.
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m030241
Once
Overwrite
3-time Over-
write (DoD)
System/Network - Data Overwrite Method
15
System Initialization
Overwrite all the data stored in the system when disposing of the machine.
CAUTION: If you accidentally turn the power switch off during initialization, the system might possibly crash or
initialization might fail.
NOTE: If you accidentally turn the power switch off during initialization, turn the power switch on again.
Initialization automatically restarts.
Use the procedure below to initialize the system.
1 Press the [System Menu/Counter] key.
2 Press [System/Network].
3 If the user authentication screen appears, enter the
login user name and login password, and press
[Login].
For this, you need to log in with administrator
privileges. If the user authentication screen does
not appear, go to Step 4.
4 Press [Next] of Data Security.
5 Press [Next] of SSD Initialization.
NOTE: When a hard disk is installed, "Hard Disk
Initialization" is displayed. When a hard disk and an
SSD are installed, "Hard Disk/SSD Initialization" is
displayed.
6 Enter the default security password, 000000.
7 Press [Execute] of System Initialization.
8 Press [Yes] on the screen to confirm the
initialization. Initialization starts.
9 When the screen appears to show initialization is
completed, turn the power switch off and then on.
Close
Data Overwrite Method:
10/10/2015 10:10
m0201112
System/Network - Hard Disk Initialization
Once Overwrite Method
Security Password:
**********
System Initialization:
Change Change
Start
16
Warning Message
If the encryption code information of the machine has been lost for some reason, the screen shown here appears
when the power is turned on.
Follow the steps below.
1 Press [Encryption Code], and enter the encryption
code that was entered during the installation of the
security functions.
CAUTION: Even though entering a different
encryption code can also enable continuation of a job,
this will overwrite all the data stored in the hard disk/
SSD. Exercise extreme caution when entering an
encryption code.
The encryption code is not the same as the security
password.
2 Turn the power switch off and on.
Disposal
If the machine is unused and demolished, initialize the system of this product to erase the hard disk/SSD data
and FAX memory.
If the machine is unused and demolished, obtain directions for disposal from the dealer (from which you
purchased the machine) or your service representative.
OK
Enter the encryption code.
10/10/2015 10:10
av0201
Once
Overwrite
Encryption
Code
17
Appendix
List of factory default settings
The default settings for security mode are shown below.
Items changed in Command Center RX
Item Value
Device Settings
Energy
Saver/Timer
Energy Saver/Timer Settings
Timer
Settings
Auto Panel
Reset
On
Panel
Reset Timer
90 seconds
Function
Settings
Printer Printer
Settings
General Remote
Printing
Permit
Google Cloud
Print Settings
(Select
[Settings])
Privet(Cloud
Device Local
Discovery
Protocol and
API)
Local
Discovery
On
Local Print
On
FAX/i-FAX FAX/i-FAX
Settings
Fax Settings
Remote Settings FAX Remote
Diagnostics
Off
RX/Forward
Rules
Settings
RX/Forward
Rules
Settings
RX/Forward
Rules
Off
Forward
Settings
Forwarding Off
Forward
Destination
No setting
Network
Settings
TCP/IP TCP/IP Settings
Bonjour Settings
Bonjour On
IPSec Settings
IPSec Off
Restriction Allowed
18
Network
Settings
TCP/IP IPSec
Rules
("Settings"
selection of
any of Rule
No.)
Policy Rule Off
Key
Management
Type
IKEv1
Encapsulatio
n Mode
Transport
IP Address IP Version IPv4
IP
Address(IPv
4)
No setting
Subnet Mask No setting
Authentication Local Side
Authentication
Type
Pre-shared Key
Pre-shared
Key
No setting
Key Exchange (IKE phase1) Mode Main Mode
Hash SHA1
Encryption 3DES, AES-
CBC-128, AES-
CBC-192, AES-
CBC-256
Diffie-
Hellman
Group
modp1024(2)
Lifetime
(Time)
28800 seconds
Data Protection (IKE phase2) Protocol ESP
Hash SHA1
Encryption 3DES, AES-
CBC-128, AES-
CBC-192, AES-
CBC-256
PFS Off
Lifetime
Measuremen
t
Time & Data
Size
Lifetime
(Time)
3600 seconds
Lifetime
(Data Size)
100000KB
Extended
Sequence
Number
Off
Item Value
19
Network
Settings
Protocol Protocol Settings Print
Protocols
NetBEUI On
LPD On
FTP Server
(Reception)
On
IPP Off
IPP over
SSL
On
IPP
Authentication
Off
Raw On
WSD Print
On
POP3
(E-mail RX)
Off
Send
Protocols
SMTP
(E-mail TX)
Off
FTP Client
(Transmission)
On
SMB
On
WSD Scan
On
DSM Scan
Off
eSCL
On
eSCL over SSL
On
Other
Protocols
SNMPv1/v2c On
SNMPv3 Off
HTTP On
HTTPS On
Enhanced
WSD
On
Enhanced
WSD(SSL)
On
LDAP Off
IEEE802.1X Off
LLTD On
REST On
REST over
SSL
On
VNC(RFB) Off
VNC(RFB)
over SSL
Off
Enhanced
VNC(RFB)
over SSL
On
Item Value
Page is loading ...
Page is loading ...
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Copystar CS 2553ci Operating instructions
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